{"id":"a4e4e4be-3f05-4fcb-9b85-b4ff4d77a6c8","shortId":"kn3z8S","kind":"x402","title":"Screen Hyperliquid perpetual contracts by volume, funding rates, open interest, and smart money positions via Nansen's on-chain analytics.","tagline":"Screen Hyperliquid perpetual contracts by volume, funding rates, open interest, and smart money positions via Nansen's on-chain analytics.","description":"The Nansen Perp Screener endpoint (`POST /api/v1/perp-screener`) lets you discover and filter perpetual contracts on Hyperliquid. It returns metrics such as trading volume, buy/sell volume, buy/sell pressure, trader count, mark price, funding rate, open interest, and price change for each listed perp. An `only_smart_money` filter switches the response schema to smart-money-specific fields including smart money volume, net position change, current long/short positions in USD, and long/short account counts.\n\nThe endpoint accepts a required date range, optional pagination (up to 1000 per page), numeric range filters on most columns, and custom sort orders. Pricing is $0.01 per call via the x402 protocol (or 10 credits on a free plan, 1 credit on a pro plan). The API is documented with a full OpenAPI 3.1 spec served from `https://api.nansen.ai`, and the endpoint returned a live 402 x402 challenge when probed.\n\nThis is one of 40+ Nansen API v1 endpoints covering smart money tracking, wallet profiling, token analytics (Token God Mode), prediction markets (Polymarket), and AI research agents. All endpoints share the same authentication (API key header) and rate-limit headers.","tags":[],"capabilities":["perp-screener","hyperliquid-perps","smart-money-filtering","funding-rate-data","open-interest-data","volume-analytics","buy-sell-pressure","numeric-range-filters","pagination","custom-sort-order","x402-payment"],"categories":["crypto","defi","analytics"],"synonyms":["perpetual futures screener","Hyperliquid perp scanner","derivatives screener","perp contract filter","funding rate screener","Nansen perp API","smart money perps"],"warnings":["Only Hyperliquid perpetual contracts are supported; no other exchanges.","Response schema differs based on the only_smart_money filter flag — agents should handle both PerpScreenerDataDefault and PerpScreenerDataSmartMoney shapes."],"endpointUrl":"https://api.nansen.ai/api/v1/perp-screener","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"},"payTo":"J7ZvJEspvwP1oRxQZ7mYmNmT22NTm3GWq3t7HEbvPZYx","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.920","qualityRationale":"Full OpenAPI 3.1 schema with detailed request/response models, clear pricing ($0.01 via x402), live 402 challenge confirmed, and comprehensive endpoint documentation. Minor deduction because no example response was captured from the live endpoint and crawled pages beyond the root returned no useful 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'0.01':142 '1':156 '10':150 '1000':127 '3.1':170 '40':190 '402':181 'Hyperliquid perp scanner' 'Nansen perp API' 'accept':118 'account':114 'agent':212 'ai':210 'analyt':21,42,202 'api':163,192,219 'api.nansen.ai':174 'authent':218 'buy-sell-pressure' 'buy/sell':66,68 'call':144 'chain':20,41 'challeng':183 'chang':80,106 'column':135 'contract':4,25,56 'count':71,115 'cover':195 'credit':151,157 'current':107 'custom':137 'custom-sort-order' 'date':121 'derivatives screener' 'discov':52 'document':165 'endpoint':47,117,177,194,214 'field':99 'filter':54,89,132 'free':154 'full':168 'fund':7,28,74 'funding rate screener' 'funding-rate-data' 'god':204 'header':221,226 'hyperliquid':2,23,58 'hyperliquid-perps' 'includ':100 'interest':10,31,77 'key':220 'let':50 'limit':225 'list':83 'live':180 'long/short':108,113 'mark':72 'market':207 'metric':61 'mode':205 'money':13,34,88,97,102,197 'nansen':16,37,44,191 'net':104 'numer':130 'numeric-range-filters' 'on-chain':18,39 'one':188 'open':9,30,76 'open-interest-data' 'openapi':169 'option':123 'order':139 'page':129 'pagin':124 'pagination' 'per':128,143 'perp':45,84 'perp contract filter' 'perp-screener' 'perpetu':3,24,55 'perpetual futures screener' 'plan':155,161 'polymarket':208 'posit':14,35,105,109 'post':48 'predict':206 'pressur':69 'price':73,79,140 'pro':160 'probe':185 'profil':200 'protocol':148 'rang':122,131 'rate':8,29,75,224 'rate-limit':223 'requir':120 'research':211 'respons':92 'return':60,178 'schema':93 'screen':1,22 'screener':46 'serv':172 'share':215 'smart':12,33,87,96,101,196 'smart money perps' 'smart-money-filtering' 'smart-money-specif':95 'sort':138 'spec':171 'specif':98 'switch':90 'token':201,203 'track':198 'trade':64 'trader':70 'usd':111 'v1':193 'via':15,36,145 'volum':6,27,65,67,103 'volume-analytics' 'wallet':199 'x402':147,182 'x402-payment'","prices":[{"id":"c4e3ea42-13d8-465e-873c-5c1b1aa31ed7","listingId":"a4e4e4be-3f05-4fcb-9b85-b4ff4d77a6c8","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x93053f1e7A5eFEDa532Fe69CbbE43cBEc3A0F13f","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4"},"payTo":"J7ZvJEspvwP1oRxQZ7mYmNmT22NTm3GWq3t7HEbvPZYx","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:40.706Z"}],"sources":[{"listingId":"a4e4e4be-3f05-4fcb-9b85-b4ff4d77a6c8","source":"x402_bazaar","sourceId":"https://api.nansen.ai/api/v1/perp-screener","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:40.706Z","lastSeenAt":"2026-04-22T05:32:33.524Z"}],"details":{"listingId":"a4e4e4be-3f05-4fcb-9b85-b4ff4d77a6c8","quickStartSnippet":"curl -X POST https://api.nansen.ai/api/v1/perp-screener \\\n  -H 'Content-Type: application/json' \\\n  -H 'apiKey: YOUR_API_KEY' \\\n  -d '{\n    \"date\": {\"from\": \"2025-01-01T00:00:00Z\", \"to\": \"2025-01-02T23:59:59Z\"},\n    \"pagination\": {\"page\": 1, \"per_page\": 10}\n  }'","exampleRequest":{"date":{"to":"2025-01-02T23:59:59Z","from":"2025-01-01T00:00:00Z"},"filters":{"volume":{"min":100000},"only_smart_money":false},"order_by":[{"field":"buy_sell_pressure","direction":"DESC"}],"pagination":{"page":1,"per_page":5}},"exampleResponse":{"data":[{"volume":2500000,"funding":0.0001,"buy_volume":1250000,"mark_price":45000,"sell_volume":1250000,"token_symbol":"BTC","trader_count":500,"open_interest":5000000,"buy_sell_pressure":25000,"previous_price_usd":44000},{"volume":1800000,"funding":-0.0001,"buy_volume":900000,"mark_price":3000,"sell_volume":900000,"token_symbol":"ETH","trader_count":350,"open_interest":2500000,"buy_sell_pressure":15000,"previous_price_usd":2900}],"pagination":{"page":1,"per_page":5,"is_last_page":false}},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The perp-screener endpoint costs $0.01 per call via x402 (10 free credits, 1 pro credit).","source_url":"https://api.nansen.ai"},{"claim":"The endpoint supports Hyperliquid perpetual contracts only and returns volume, funding, open interest, buy/sell pressure, and smart money metrics.","source_url":"https://api.nansen.ai"},{"claim":"The endpoint returned a live HTTP 402 x402 payment challenge when probed with POST.","source_url":"https://api.nansen.ai/api/v1/perp-screener"}],"useCases":["Screen Hyperliquid perpetual contracts by volume, funding rate, and open interest to find trading opportunities","Identify which perps smart money is actively trading and their net position direction","Monitor buy/sell pressure across all Hyperliquid perps to gauge market sentiment","Build automated alerts when a perp's funding rate or open interest crosses a threshold","Feed perp screening data into a trading bot or portfolio dashboard"],"bestFor":["Crypto traders screening Hyperliquid perpetual markets","Quant researchers analyzing derivatives market microstructure","Smart money tracking across perpetual contracts","Building dashboards or bots that need real-time perp market data"],"notFor":["Spot token screening (use /api/v1/token-screener instead)","Non-Hyperliquid perpetual exchanges (only Hyperliquid is supported)","Historical time-series backtesting of perp data (this is a point-in-time screener)"],"kindDetails":{},"updatedAt":"2026-04-22T02:52:50.988Z"}}